[Jewelry making - Article 00017] - [Orchid] Generator for Outdoor Show

[sinico]

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    Hello everyone, 

    A friend and I have been discussing doing the Big Sur Jade Festival
    in October, and in that respect I would like to throw myself upon
    the Orchideans' collective technical wisdom. 

    The festival is outdoors. No electricity. Yet people love to see
    stuff being made - so I would dearly like to be able to do facet
    cutting on the spot. This in turn means getting-borrowing-renting a
    generator. 

    But how big a one? 

    The faceting machine runs on a 1/4 horsepower motor. 1 HP = 746
    watts, so a quarter horse should draw 180 watts give or take. Two
    lightbulbs worth in  effect. Yet that just does not seem plausible
    to me. Surely the motor must draw more than that? 

    Ideal would be a generator that could run a standard 1/4 HP washing
    machine motor plus about 10 100-watt lightbulbs. 

    Does anyone know enough about electrics to advise what rating of
    generator we should look for to do that? We've looked on a rental
    website and found a 5,000 watt generator that is reasonably
    affordable. Yet my primitive calculations above suggest that 5,000
    watts would be way too much?? 

    Any words of wisdom would be greatly appreciated... 

Ohm!
Hans Durstling
Moncton, Canada



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